Patents by Inventor Wilson L. Chiu

Wilson L. Chiu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Folding keyboard
    Patent number: 5457453
    Abstract: A keyboard for a miniature computer or other data processing device which permits a standard key spacing to be retained while enabling folding of the keyboard to reduce its overall size for storage or carrying purposes. In another aspect, the thickness of the keyboard when in folded position is reduced in some embodiments by maintaining its keys in depressed positions.
    Type: Grant
    Filed: August 16, 1993
    Date of Patent: October 10, 1995
    Inventors: Wilson L. Chiu, Hau Chung Lam